Corals, with Dr Jamie Craggs
Instant Genius
00:00
What Is Symbiotic Algi?
The intertidal zone is an incredibly harsh environment to live. Half the time you are sub submerged in its oxygen rich waters. And then that can disappear, and you can be rained on or have high amounts of sunlight. So there's different mechanisms too vive in that harsh environment. The alge lives within the coral, nice, safe place to live, and in return, it gives food to the coral. Between 70 to 90% of the food for the coral comes from the zuzantheli.
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